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Finding the Third Proportional to 72,373.50 and 156,813.75

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Solution

The third proportional to 72,373.50 and 156,813.75 is: 339,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,373.50 : 156,813.75 = 156,813.75 : x
  2. Step 2: Convert to fraction form
    72,373.50/156,813.75 = 156,813.75/x
  3. Step 3: Cross multiply
    72,373.50x = 156,813.75 × 156,813.75
  4. Step 4: Simplify right side
    72,373.50x = 24,590,552,189.06
  5. Step 5: Solve for x
    x = 24,590,552,189.06/72,373.50
  6. Step 6: Final answer
    x = 339,772.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.